1986
DOI: 10.1002/actp.1986.010370211
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Zur Bildung wasserlöslicher Polysalze. 4. Mitt.: Untersuchungen zum Übergang vom löslichen Symplex zur Polysalzfällung

Abstract: Der Übergang von makroskopisch löslichen Polyanion‐Polykation‐Komplex (Symplex) zur Polysalzfällung wird mittels Kombination von Potentiometrie, Konduktometrie und Turbidimetrie untersucht. Als Ausgangsmaterialien dienen vor allem Cellulosesulfat und Polyethylenimin sowie anionisch und kationisch modifizierte Polyacrylamide. Unter den angewandten Bedingungen wurden bei elektrochemischer bzw. bei turbidimetrischer Endpunktanzeige nur in wenigen Fällen 1: 1‐Symplexe erhalten. Die Endpunkte und der Verlauf der Tr… Show more

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Cited by 19 publications

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“…Systematic studies of various parameters influencing the structure of quasi-soluble complexes, was undertaken by Philipp using light scattering. The concentration of polyelectrolyte solutions, degree of conversion, salt content of the medium, polymer charge density and ionic strength of the solution were varied in order to study the nature of complex formation between latices and polyelectrolyte chains.…”
Section: Introductionmentioning
confidence: 99%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
“…Systematic studies of various parameters influencing the structure of quasi-soluble complexes, was undertaken by Philipp using light scattering. The concentration of polyelectrolyte solutions, degree of conversion, salt content of the medium, polymer charge density and ionic strength of the solution were varied in order to study the nature of complex formation between latices and polyelectrolyte chains.…”
Section: Introductionmentioning
confidence: 99%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
“…Kötz et al 1986;Dautzenberg et al 1996;Dautzenberg & K. 1999;Chen et al 2003 Surface-charge overcompensation takes place on colloidal particles and surfaces in the sample due to the 3-dimensional nature of an adsorbed layer at high salt levels or high polyelectrolyte bulk concentrations. van de Steeg et al 1992;Laine & Lindström 2000;Mocchiutti & Zanuttini 2005 The Debye length becomes less than the distance between charged groups in the PEs.…”
Section: Effects Of Salt Concentrationmentioning
confidence: 99%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.